baber/WOPTO huggingface dataset:
Patent GB-1359853-A (GB)
Title: Method of and means for making slots in boards
IPC: B23Q35/10
Filed: 1972-09-01
Abstract: 1359853 Jigsaw guide W NOTTING Ltd 1 Sept 1972 [1 June 1971] 12597/71 Heading B5L Apparatus for making a slot in a board comprises a template 12, Fig. 1, having a guide slot 18, a jigsaw blade 4, Fig. 4, mounted at one end in means for reciprocating the blade and for shifting longitudinally into and out of a working position, and a sleeve 16, Fig. 3, which can fit around the blade and fit into the guide slot.  In making a slot, the template 12 is attached to the board and holes are drilled through the board at one or both ends 20 of the or each guide slot 18. The jigsaw blade 4 is inserted in the, or a, hole, and the sleeve 16 is fitted about the blade with the blade passing through a radial slot 40 in the sleeve and the end portion 14 of the sleeve being engaged in the slot 18. The sleeve may be carried in a recess at one end of a swingable arm 24 mounted on the means for shifting the saw blade, or may have a flange below the portion 14 so that it can be attached to the template.
Patent GB-224564-A (GB)
Title: Improvements in player pianos
IPC: G10F5/06
Filed: 1923-05-10
Abstract: 224,564. Imray, O. Y., (American Piano Co.). May 10, 1923. Clutches.-In a player-piano, the drive includes a clutch connected by a spring to the driven shaft, the spring storing energy to a predetermined amount, and means acting independ'ently of the degree of tension of the said spring for controlling the force of engagement of the clutch members, The usual treadle-mechanism is connected by bands to spring-controlled pulleys 18 containing one-way clutches intermittently imparting rotation in one direction to the shaft 16 which carries a clutch-member 64. The co-operating clutch-member 60 is secured to a sleeve 58 engaging the screwed end of the shaft 43 driving the take-up roll. The clutch-member 60 is also connected by a coil spring 69 to the end' of the shaft 43. On commencing pedalling, the shaft 16 and the clutch 64, 60 are rotated, but owing to the load on the driven shaft 43. this shaft rotates at less speed, so that the spring 69 becomes tensioned, and also, by the differential screw action, the shaft 43 is moved against the adjustable thrust-bearing 63. If the clutchmember 60 continues to rotate faster than the shaft 43, it will move to the right against the action of the spring 66 and a balancing action will be set up in which excess rotation of the shaft 16 is expended by the slipping in the clutch, the force of engagement of the clutch-members being controlled by the spring 66 independently of the degree of tension of the spring 69. If the pedalling is slowed down materially, the spring 69 will for a time maintain the speed of the shaft 43 which then moves to the right.
Patent GB-840678-A (GB)
Title: Machine tool control mechanism
IPC: B24B47/06
Filed: 1957-04-18
Abstract: 840,678. Grinding. BRYANT CHUCKING GRINDER CO. April 18, 1957 [April 23, 1956], No. 12729 /57. Class 60. [Also in Group XXIX] Means for reciprocating a machine tool part, such as the grinding head of an internal grinding machine, comprises a servo-piston 44, Fig. 11, connected by a rod 46 to the grinding head and controlled by a piston valve 54 which is operated by a lever 82 and has a feed-back connection, consisting of a parallelogram linkage 72, 74, 76, 78 supported by a leaf spring 58, with the piston 44. The arrangement is such that rotation of an eccentric 86 from the position shown causes the lever 82 to rock in a clockwise sense about a pivot 84 and, due to engagement of the lower end of the lever with a point 80 of the parallelogram linkage, to cause leftward motion of the piston valve 54 to initiate movement in the same direction of the piston 44, such movement advancing the grinding head into the bore of the workpiece. The motion of the piston 44 is transmitted to the lever 72 which pivots about its connection with the link 76 to return the valve 54 to its neutral position. The piston 44 may be held in its advanced position before the cam 86 is rotated to cause its return movement, and whilst it is so held, or at any other time, a short stroke reciprocatory movement may be imparted to it by a rotating cam 96 into contact with which a follower 94 connected to the pivot 84 may be brought upon operation of an arm 98 by, e.g. a hydraulic cylinder. In a modification, the eccentric 86 is replaced by a cam of more complex shape which, by intermittent movement, provides firstly an advance movement of the grinding head for a rough grinding phase, then a comparatively slow withdrawal of the head to a position in which the grinding wheel is dressed by a diamond tool, after which the head is again advanced for the finish grinding phase and finally withdrawn completely. The grinding head consists of a tubular member 24, Fig. 3, having trunnions 28 mounted in preloaded ball bearings 22 in a housing 20, and a tubular member 30 which may reciprocate in the member 24 on preloaded balls 32, the member 30 carrying the grinding wheel T which is mounted on a spindle 18 driven at high rotational speed by e.g. an electric or hydraulic motor. The member 24, which is supported at its end remote from the grinding wheel by a vertically adjustable bar with ball slide members 38, is laterally adjustable for feed along the axis of the trunnions.
Patent GB-561340-A (GB)
Title: Improvements in and relating to the utilisation of heat produced by friction
IPC: F24J3/00
Filed: 1942-09-10
Abstract: 561,340. Hot plates. KLOPSTOCK, H., BERNFELD, E., and IDEAL MACHINE TOOL & ENGINEERING CO., Ltd. Sept. 10, 1942, No. 12751. [Class 126] [Also in Group XXVII] A sparking plug, Fig. 1, employing frictionally generated heat, comprises a stationary member Cp and a rotary member Sp carried by a spindle S driven by gearing g. Increased pressure between the friction surfaces is applied periodically by a cam C2 and simultaneously a sleeve t is rotated so that the explosive mixture may enter the plug through opening B. A hot plate, Fig. 6, employing frictionally generated heat, comprises a rotating spindle S carrying a friction member Sf co-operating with a fixed plate C forming a cooking or boiling plate on which a vessel Wa may be placed. The heat generated may be regulated by varying the speed of spindle S, or the pressure between the surfaces due to an adjustable weight W.
Patent GB-543258-A (GB)
Title: Improvements in and relating to the production of organic acids
IPC: C07C53/128
Filed: 1940-08-12
Abstract: 543,258. Carboxylic acids. DU PONT DE NEMOURS & CO., E. I. Aug. 12, 1940, No. 12875.' Convention date, Aug. 12, 1939. [Class 2 (iii)] Carboxylic acids are produced by re-acting a ketone in the liquid phase with water and carbon monoxide at not less than 10 atmospheres pressure and not above 350‹ C. An acid catalyst such as a hydrated boron fluoride may be used. Pressures up to 900 atmospheres are mentioned. Examples describe the treatment of methyl-ethyl, diethyl and di-isopropyl ketones and of acetone, the products being (1) acetic, propionic, dimethylethyl 'acetic, methyl secondary butyl acetic and higher acids (2) propionic, 2-methyl-3- ethyl valeric and higher acids ; (3) isobutyric acid; (4) trimethyl acetic acid. Any compound of boron fluoride with water, or any oxygen acid of boron fluoride or its salts may be used as the catalyst. The apparatus may be of glass or resistant alloys or may be lined with glass, chromium or silver.
Patent GB-198660-A (GB)
IPC: H01K3/30
Filed: 1923-05-15
Abstract: 198,660. General Electric Co., Ltd., (Assignees of Patent - Treuhand - Ges. f³r Elektrische Gl³hlampen). June 1, 1922, [Convention date]. Perforating.-Pipless lamps are opened by piercing the glass by means of a high-tension electric current. The point to be pierced may be heated by a Bunsen flame or the like to prevent cracking the glass.
Patent GB-1334204-A (GB)
Title: Preparation of fatty acid ester mixtures enriched in unsaturates
IPC: C11C3/04
Filed: 1972-03-21
Abstract: 1334204 Fatty acid esters PROCTER & GAMBLE CO 21 March 1972 [24 March 1971] 13119/72 Heading C2C Mixtures of alkyl (1-4C) esters of unsaturated fatty acids are enriched in unsaturates by contacting with a two phase solvent system comprising a liquid hydrocarbon and γ-butyrolactone at between 0 and 110 F., and separating the butyrolactone extract and hydrocarbon raffinate and recovering the esters from the extract. The alkyl (1-4C) esters are obtained by transesterification of a fat or oil with the 1-4C alcohol in the presence of mineral acids or a basic catalyst. Alkyl esters derived from soybean, safflower, corn, palm, tung, lard and tallow oil may be treated. Hydrocarbon solvents may be hexane, octane, nonane, hexadecane, cyclohexene, petroleum ether, kerosene and light mineral oil.
Patent GB-1461142-A (GB)
Title: Article unloader
IPC: B61K1/02
Filed: 1974-03-25
Abstract: 1461142 Discharging containers by tipping REXNORD Inc 25 March 1974 [6 April 1973] 13185/74 Heading B8E Aircraft luggage containers 12 are conveyed by dollies 18 to be tipped to discharge the luggage 10 down a shoot 30 on to a conveyer 36. The upper surface 16 is hinged and caused to tip by a roller engaging a cam surface 24. At the start of the tipping movement the container is pressing a retaining surface comprising a number of overlapping doors 28 counterbalanced or spring loaded to a vertical position so that luggage is retained in the container until the doors are passed and the luggage can then progressively fall down the inclined shoot 30. The doors 28 are able to spring back to the vertical position as each is passed thus being in position to engage the next container. The cam surface may be corrugated to cause vibration to loosen the luggage. In place of an inclined shoot where the luggage has motion in two perpendicular directions a stepped shoot may be used so that the luggage is progressively released to move substantially only in a directtion perpendicular to the container movement. Register means are provided to keep the dollies close to the retaining doors 28.
Patent GB-132022-A (GB)
IPC: G01R27/02
Abstract: 132,022. Hinton, N. P. Sept. 2, 1918. Inauctances, capacities, and resistances, measuring; inductances.-The resistance, inductance, and capacity of an oscillatory circuit are measured at different wave-lengths by measurably adjusting these quantities in a second circuit, excited simultaneously from the same source, until the currents in both circuits are equal in value and frequency. Two identical tightly coupled oscillation transformers 1, 2 are wound in screw-threads on the same former so as to have no mutual coupling when their primary windings AB, CD are traversed by equal and opposite currents. Slight differences in manufacture are compensated for by an axially adjustable short-circuited coil N of one or moro turns. The primary CD of the transformer 2 is in series with the aerial P or other oscillation circuit of which it is required to determine the elec. trical characteristics. The primary AB of the transformer 1 is in series with a measuring circuit containing a condenser X, inductance Y, and non- inductive resistance Z, all measurably adjustable. An adjustable condenser J and inductance K are common to both circuits. The secondaries EF, GH of the transformers 1, 2 are connected oppositely in series with a telephone V and a crystal M shunted by a variable condenser U, by which the detector circuit can be tuned. Oscillations are set up in the inductance K by an energizing circuit containing a battery T<1>, an electrically-vibrated contact T, an inductance S, and a variable condenser R calibrated in wave-lengths. To carry out a test, the condenser R is set to the required wave-length, the measuring-circuit is disconnected, and the aerial circuit is tuned by adjusting the condenser J and inductance K. The measuring- circuit is then reconnected and the condenser X. inductance Y, and resistance Z are adjusted until no sound is heard in the telephone V. The primaries AB, CD are then interchanged by a switch and the adjustments are repeated. The mean of these two values of the capacity X, inductance Y, and resistance Z give the values of the corresponding characteristics of the aerial circuit.
Patent GB-647779-A (GB)
Title: Improvements in or relating to aircraft
IPC: B64C13/00
Filed: 1947-05-16
Abstract: 647,779. Controlling tail - less aircraft. UNITED AIRCRAFT CORPORATION. May 16, 1947, No. 13230. Convention date, June 5, 1946. [Class 4] [Also in Group XXI] A tailless aircraft is of symmetrical aerofoil section and triangular plan form having two equal sides forming the leading edges of a wing structure and merging into the nose of the aircraft, said wing structure having a sweepback angle of approximately 72 degrees and an aspect ratio between 1.2 and 1.35. Various embodiments of such aircraft are described. In the form shown in Figs. 13 and 14 the wing 10b supports and blends with a fuselage 94 of sufficient cross-section to accommodate a pilot compartment 95 and a passenger compartment 96 provided with two rows of seats 110, each row being illuminated by a row of windows 112 provided in the bottom surface of the wing alongside and outboard of each row of seats. In this embodiment the stabilizing fin is provided at its trailing edge with a single rudder 108 and the aircraft is powered by two axial flow jet engines 100 having air intake openings 102 in the immediate vicinity of the thickest portion of the wing and jet discharge orifices 104 each provided with a carbon control tab 105 located in the jet blast for positive trimming. The control surfaces in the vicinity of the jet blast may be constructed of stainless steel or other heat-resisting material and the fin, which is provided with a tail skid 107, may be hinged as at 103 to enable it to deflect upwards during a tail down landing so that a short landing gear may be used. The rudders are controlled by an orthodox pedal-operated cable control system (Fig. 18, not shown). The elevons 20, 22 are controlled by a control column 37, Fig. 17, which supports a wheel 70. Fore-and-aft movement of the member 37 about the axis 38 rotates a sector 42 to operate a cable system,44, 46, 52, 62, 64, 68 to effect identical up-and-down movements of the elevons. The wheel 70 is geared to a pulley 76 on which is wound a cable 78, the extremities of which are attached to the cables 52 and 64 at points 82 and 80 respectively so that rotation of the wheel 70 about the axis 72 effects different up-and-down movement of the elevons. In a further form, Figs. 9 to 12 (not shown), piloted aircraft of the forwardly-projecting body accommodates a pilot and the aircraft is fitted with a tricycle undercarriage and a buried power plant which drives contrarotating propellers located at the trailing edge of the wing and co-axial with the longitudinal axis of the aircraft. Other arrangements described include pilotless guided missiles.
Patent GB-132378-A (GB)
IPC: A63D15/06
Abstract: 132,378. Alcock, F. A. Oct. 8, 1918. Billiards, tables for.-Relates to resilient blades for supporting the cushions, and consists in making them of two or three ply wood, or two layers of wood with sheet-rubber between them. The blade E is fixed at its base to the rail H and carries the cushion F on its upper part.
Patent GB-800022-A (GB)
Title: Rake wheel provided with resilient tines
IPC: A01D80/00
Filed: 1954-10-11
Abstract: The subject-matter of this specification is included in that of Specification 800,021 but the claims differ.
Patent GB-990259-A (GB)
Title: Improvements in or relating to pneumatically emptying silos
IPC: B65G65/00
Filed: 1962-04-06
Abstract: 990,259. Pneumatic conveyers; loading and unloading. INGENIORSFIRMAN NILS WEIBULL A.B. April 6, 1962 [April 11, 1961; March 29, 1962], No. 13270/62. Headings B8A and B8E. A device for discharging a cylindrical silo 10 comprises a screw conveyer 18 mounted on a frame 17 pivotable about a column 12 and a suction conduit for pneumatically emptying the silo comprising a nozzle 21, adjacent the delivery end of the conveyer, and a hose 20 extending out of the silo centrally through the roof 11. The frame 17 is supported from a beam 14, supported in turn by wheels on a rail 15, by ropes 16 by which it can be raised and lowered. The hose 20 passes over pulleys 26, 27 mounted on a frame 25, secured to the beam 14, to a pipe 31 which is rotatably connected to a fixed pipe 32 which passes out of the silo to an external sucking-out station. A winch 36 turns drums 35, 38 connected by a wire 33 to a pulley 34 and to the wire ropes 16 respectively so that as the winch raises and lowers the frame 17 the hose 20 is kept taut over the pulleys 26, 27 which are movable towards and away from each other. In a modification, a telescopic supply conduit is connected to the inner end of the conveyer 18 which conveys to the edge of the silo where by a swivel connection a suction discharge conduit in the form of telescopic pipes leading to the external suction conduit is attached.
Patent GB-1080653-A (GB)
Title: Flexible self-fastening article
Inventor: WYLDE JOSEPH ROLAND
IPC: A44B18/00
Filed: 1965-03-29
Abstract: A bandage comprises two sheets of fabric secured to opposite sides of a layer of foamed plastics material, the exposed faces of the fabrics each being provided with a plurality of upstanding elements the elements on one face being arranged to be releasable engageable with elements upstanding from the other face.  The elements on one face may be hook like elements and those on the other face loop elements. One fabric may be knitted.  The fabrics may be secured together by adhesive or by stitching.  The fabric with the hook like elements may extend across one end or along one edge of the foamed plastics layer. A dressing may be secured to the bandage.
Patent GB-1410295-A (GB)
Title: Process for the production of vinylcycloalkanes
IPC: C07C1/26
Filed: 1974-03-26
Abstract: 1410295 Vinylcycloalkanes SOLVAY & CIE 26 March 1974 [26 March 1973 18 April 1973] 13336/74 Heading C5E Vinylcycloalkanes R.CH=CH 2  where R is an optionally substituted cycloaliphatic radical with 5 or 6 ring carbon atoms are prepared by reacting vinyl chloride with LiR, RMgX or CdR 2  (X = halogen in the presence of a catalyst comprising a Group VIII metal or compound thereof complexed with a compound of an element of Groups VA or VIA. The organometallio reactant may be prepared in situ. The reaction may be carried out in the liquid phase preferably in the presence of a solvent, e.g. aliphatic or cyclic ethers. Examples describe the preparation of vinyl-cyclohexane from vinyl chloride and cyclohexylmagnesium chloride using FeCl 3  complexed with THF or NiCl 2  complexed with 1,2-bis-[diphenylphosphino]- ethane as catalysts.
Patent GB-1107751-A (GB)
Title: Improvements in or relating to machines for forming non-woven fabrics
Inventor: CALLAGHAN ALBERT EDWARD
IPC: D04H1/72
Filed: 1964-04-01
Abstract: Fibrous webs, such as for non-woven fabrics, felt, or like material are formed in apparatus including a pinned swift surrounded by a casing 12 formed to provide an air inlet and a delivery duct for fibres.  The web is collected on a foraminous drum or belt 22 to which suction is applied.  The air inlet 18 has an adjustable valve to control the amount of air entering the casing.  This valve may be eccentrically mounted, or be of normal butterfly type or of butterfly type but with the closure member divided into separately adjustable members.
Patent GB-925560-A (GB)
Title: Yarn spool control mechanism for looms
IPC: D03D39/06
Filed: 1960-04-14
Abstract: 925,560. Spool Axminster looms. SHAWMUT ENGINEERING CO. April 14, 1960 [Nov. 27, 1959], No. 13345/60. Addition to 847,095. Class 142 (2). The machine of the parent Specification is modified in that it has an hydraulic motor 80 the piston 83 of which rocks a lever 70 to move a brake arm 20 to release the brake 12 which is carried on the spool frame. In this way, both the brake 12 and the clutch brake 40, which may be hydraulically or electrically operated, may be applied or disengaged separately or together instead of the brake 12 being automatically disengaged when the clutch grips the spool.
Patent GB-1328777-A (GB)
Title: Stabilized vinyl chloride polymers
IPC: C08K5/098
Filed: 1972-03-22
Abstract: 1328777 Stabilized PVC SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ NV 22 March 1972 [24 March 1971] 13372/72 Heading C3P P.V.C. which is to be stabilized by the addition of a zinc carboxylate is produced by a suspension process in the presence of polyvinyl alcohol and a phospholipid. Preferred phospholipids are the phosphoglycerides, e.g. hydroxylated lecithin, lecithin and cephalin and particularly soybean lecithin. Preferably a calcium soap and an epoxidized oil are also added to the product together with α-phenylindole and polyethylene wax in the example.
Patent GB-133898-A (GB)
IPC: B25B1/24
Abstract: 133,898. Pedersen, H. March 28, 1919. Vices.-The jaws of paraliel vices are mounted on guides at the top of a U-shaped frame which provides a deep space to receive the work held by the jaws. A U - shaped frame A with a deep gap G has guides, suitably of dovetail section, in which the jaws D, E<1>, can slide. The jaw D can be adjusted by a screw F, and the jaw F can be adjusted by hand and locked by a bolt H engaging recesses in the base of the jaw.
Patent GB-290179-A (GB)
Title: Manufacture of dyestuffs
IPC: C09B49/12
Filed: 1928-05-07
Abstract: 290,179. Soc. of Chemical Industry in Basle. May 7, 1927, [Convention date]. Azo dyes and soluble chromium compounds thereof; sulphuretted dyes.- Dyestuffs yielding dyeings fast to washing and light on cotton from a, sodium sulphide bath are obtained by treating with a sulphurizing agent chromium compounds of azo dyestuffs. The following examples are specified, the colour of the dyeing on cotton being as stated. (1) The chromium compound of the monoazo dyestuff 1 : 2-aminonaphthol-4-sulphonic acid # 1-naphthol, prepared either by the process of Specification 191,972 or by the. use of chromium formate or fluoride, is heated under reflux for 60-80 hours with an aqueous solution containing sodium sulphide and sulphur; reddishblue. (2) The same chromium compound is heated under reflux for 60-80 hours with an alcoholic solution of sodium sulphide and sulphur, filtered, diluted with water, and distilled to remove alcohol; blue, a redder dyeing being obtained if less water is used. (3) The same chromium compound is heated under reflux for 18 hours with a solution of sodium sulphide and sulphur in amyl alcohol; blue. (4) The monoazo dyestuff 1 : 2-aminonaphthol-4-sulphonic acid # 5 : 8-dichloro-1-naphthol is chromed in an alkaline medium, and the chromium compound is heated for 30 hours under pressure at 120-150‹ C. with an alcoholic solution of sodium sulphide and sulphur and further treated as in (2); greenish-blue, a dyeing not so green being obtained if the heating is effected at atmospheric pressure. Similar products are obtained when the diazo component is the brominated diazo compound of 1 : 2-aminonaphthol-4-sulphonic acid. (5) The same chromium compound as in (1) is heated for 20 hours under pressure at 115-120‹ C. with an alcoholic solution of sodium sulphide and sulphur; greenish-blue.